function processPie(data)
{
    pieChartData.title.text = "Continent based Distributions";
    var dataArray=[];
    var i;
    for(i=0;i< data.length;i++)
    {
        dataArray.push([data[i].ContinentName,data[i].Count]);
    }
    pieChartData.series[0].data = dataArray;
    pieChartData.series[0].name = 'Share';
     $('#continent-pie').highcharts(pieChartData);
}
function fillUpNorthAmerica(topicIds)
{
    var fromDate = $('#datepicker_for').val();
    var toDate = $('#datepicker_to').val();
    $.get('WeeklyActivitiesServlet',{'TopicIds':topicIds.join(',') , 'fromDate': fromDate, 'toDate':toDate        
        }, function(data)
    {
        
        var northAmericaLineChart = lineChart;
        northAmericaLineChart.title.text = 'Topic activities in North America';
        northAmericaLineChart.series = data.NorthAmerica;
        $('.graph-0').highcharts(northAmericaLineChart);
        
        var asia = lineChart;
        asia.title.text = 'Topic activities in Asia';
        asia.series = data.Asia;
        $('.graph-1').highcharts(asia);
        
        var europe = lineChart;
        europe.title.text = 'Topic activities in europe';
        europe.series = data.Europe;
        $('.graph-2').highcharts(europe);
        
        var africa = lineChart;
        africa.title.text = 'Topic activities in Africa';
        africa.series = data.Africa;
        $('.graph-3').highcharts(africa);
    }
    );
}
var pieChartData = {
            chart: {
                plotBackgroundColor: null,
                plotBorderWidth: null,
                plotShadow: false
            },
            title: {
                text: 'Browser market shares at a specific website, 2010'
            },
            tooltip: {
        	    pointFormat: '{series.name}: <b>{point.percentage}%</b>',
            	percentageDecimals: 1
            },
            plotOptions: {
                pie: {
                    allowPointSelect: true,
                    cursor: 'pointer',
                    dataLabels: {
                        enabled: true,
                        color: '#000000',
                        connectorColor: '#000000',
                        formatter: function() {
                            var formattedPercentile =parseFloat( Math.round((this.percentage * 100) / 100)).toFixed(2);
                            return '<b>'+ this.point.name +'</b>: '+ formattedPercentile +' %';
                        }
                    }
                }
            },
            series: [{
                type: 'pie',
                name: 'Browser share',
                data: [
                ]
            }]
        };
var lineChart = {
            chart: {
                type: 'line',
                marginRight: 130,
                marginBottom: 25
            },
            title: {
                text: 'Monthly Average Temperature',
                x: -20 //center
            },
            subtitle: {
                text: 'COP 6727: Final Project',
                x: -20
            },
            xAxis: {
                categories: ['Mon','Tue','Wed','Thu','Fri','Sat','Sun']
            },
            yAxis: {
                title: {
                    text: 'Tweet Count'
                },
                plotLines: [{
                    value: 0,
                    width: 1,
                    color: '#808080'
                }]
            },
            tooltip: {
                valueSuffix: ''
            },
            legend: {
                layout: 'vertical',
                align: 'right',
                verticalAlign: 'top',
                x: -10,
                y: 100,
                borderWidth: 0
            },
            series: [{
                name: 'Tokyo',
                data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
            }, {
                name: 'New York',
                data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
            }, {
                name: 'Berlin',
                data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
            }, {
                name: 'London',
                data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
            }]
        };
